Process and apparatus for cutting rock

Details Process and apparatus for cutting rock Process and apparatus for cutting rock

1985-03-14

1986-11-25

Leppink, James A.

Boring or penetrating the earth

Processes

Boring with specific fluid

175 90, 299 17, E21B 718

Patent

active

046243267

ABSTRACT:
A process is disclosed for cutting rock by means of discharging a medium under high pressure from a nozzle head at a fixed oscillating angle. A nozzle head on the end of the pressure hose is set in a freely pulsating movement through the discharge of a medium under high pressure. The movement of the nozzle head is controlled by a guide with stops. An apparatus for carrying out this process is also disclosed. The apparatus comprises a suitable nozzle head on a delivery line 1 for discharging a medium under high pressure and with a fixed oscillating angle and a guide 6 with stops 4. A flexible high-pressure hose is used as the delivery line 1.

REFERENCES:
patent: 287909 (1883-11-01), Cook
patent: 671429 (1901-04-01), Bacon
patent: 2089597 (1937-08-01), Carter
patent: 2449672 (1947-05-01), Rich
patent: 3576221 (1971-04-01), Hasiba
patent: 3873156 (1975-03-01), Jacoby
patent: 4319784 (1982-03-01), Claringbull

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